Interlock panel for a spool



FIG. 1 is a top plan view of an interlock panel for a spool with the bottom plan view being a mirorr image thereof;

FIG. 2 is a front elevational view thereof with the rear being a mirror image thereof; and,

FIG. 3 is a side elevational view thereof with the opposite side being a mirror image thereof. 

The ornamental design for an interlock panel, for a spool, as shown and described. 